Black can block at 2, due to the presence of the marked stone. He wins in territory, but leaves the aji of the cut at A.
Simply descending at 1 is wrong. Blackataris and connects ...
... or connects underneath. It is this combination which the preparatory move by White at a makes impossible.
KarlKnechtel: Shouldn't it be sufficient to just capture at move 1?
unkx80: I do not think it is sufficient. Black 2 at 3 kills.
Problem 38
Back to KanazawaTesujiSeries